Files
cloudpods/pkg/scheduler/algorithm/priorities/guest/lowload.go
2019-05-29 19:57:44 +08:00

51 lines
1.5 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package guest
import (
"yunion.io/x/onecloud/pkg/scheduler/algorithm/priorities"
"yunion.io/x/onecloud/pkg/scheduler/core"
"yunion.io/x/onecloud/pkg/scheduler/core/score"
)
type LowLoadPriority struct {
priorities.BasePriority
}
func (p *LowLoadPriority) Name() string {
return "host_lowload"
}
func (p *LowLoadPriority) Clone() core.Priority {
return &LowLoadPriority{}
}
func (p *LowLoadPriority) Map(u *core.Unit, c core.Candidater) (core.HostPriority, error) {
h := priorities.NewPriorityHelper(p, u, c)
getter := c.Getter()
cpuCommitRate := float64(getter.RunningCPUCount()) / float64(getter.TotalCPUCount(false))
memCommitRate := float64(getter.RunningMemorySize()) / float64(getter.TotalMemorySize(false))
if cpuCommitRate < 0.5 && memCommitRate < 0.5 {
score := 10 * (1 - cpuCommitRate - memCommitRate)
h.SetScore(int(score))
}
return h.GetResult()
}
func (p *LowLoadPriority) ScoreIntervals() score.Intervals {
return score.NewIntervals(0, 1, 5)
}